Your VACUUBRAND pumps are designed to provide you with many years
of trouble-free service with optimal performance. Through our long experience in design, construction and operation of vacuum pumps, combined
with the latest developments in material and manufacturing technology,
we have accumulated a wealth of application and safety insights that we
want to share with you.
Please read these instructions for use before the initial operation of your
pump.
Our quality maxim is the ”zero fault principle”:
Every rotary vane pump, before leaving our factory, is tested intensively,
including an endurance run of 60 hours. Any faults, even those which oc-
cur rarely, are identied and can be eliminated immediately.
After completion of the endurance run, every pump is tested, and must
achieve specications before shipment.
We are committed to providing our customers only pumps that meet this
high quality standard.
While our pumps cannot eliminate all of your work, we design, manufacture and test them to ensure that they will be an effective and trouble-free
tool to assist you in that work.
Yours,
VACUUBRAND GMBH + CO KG
After sales service:
Contact your local dealer or call +49 9342 808-5500.
chemistry-HYBRIDTM, Peltronic®, TURBO•MODETM, VARIO® (US-Reg.No
3,833,788), VARIO-SPTM, VACUUBRAND® (US-Reg.No 3,733,388) and also
the shown company logos are trademarks of VACUUBRAND GMBH +
CO KG in Germany and/or other countries.
Health and safety clearance form ................................... 45
EC Declaration of Conformity of the Machinery ............... 46
page 4 of 49
Safety information!
Important information!
+ Keep this manual complete and accessible to per-
sonnel at all times!
+ Read this manual carefully before installing or op-
erating the equipment. Observe the instructions
contained in this manual.
+ Do not modify the equipment without authoriza-
tion.
NOTICE
This manual is an integral part of the equipment described therein. It describes the safe and proper use
of the vacuum pump.
Make operating personnel aware of dangers arising
from the pump and the pumped substances.
VACUUBRAND disclaims any liability for inappropriate use of these pumps and for damage from failure
to follow instructions contained in this manual.
This manual is only to be used and distributed in its complete and original form. It is strictly the users’ responsibility
to check carefully the validity of this manual with respect
to his product.
Manual-no.: 999139 / 11/20/2013
The following signal word panels and safety
symbols are used throughout this manual:
This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages
that follow this symbol to avoid possible injury and death.
page 5 of 49
➨ DANGER indicates a hazardous situation which, if not
avoided, will result in death or serious injury.
+ WARNING indicates a hazardous situation which, if
not avoided, could result in death or serious injury.
• CAUTION indicates a hazardous situation which, if not
avoided, could result in minor or moderate injury.
NOTICE
NOTICE is used to address practices not related to
personal injury.
Caution! Hot surface!
Disconnect equipment from AC power.
Formatting used in this manual:
Note: The signal word panels in all sections of this manual always refer
to all paragraphs of the same format (➨ / + / • / plain text) following each
signal word panel.
The document ”Safety information for vacuum equipment” is
part of this manual! Read the ”Safety information for vacuum
equipment” and observe the instructions contained therein!
page 6 of 49
General information
NOTICE
Remove all packing material from the packing box. Remove the product from its packing-box and retain all packaging until the equipment is inspected and tested. Remove the protective caps from the inlet and outlet ports
and retain for future use. Inspect the equipment promptly
and carefully.
If the equipment is damaged, notify the supplier and the
carrier in writing within three days. Retain all packing material for inspection. State the item number of the product
together with the order number and the supplier’s invoice
number. Failure to check and give notice of damage will
void any and all warranty claims for those deciencies.
Replace the protective caps, if the equipment is not used
immediately. Store the equipment in dry and non-corrosive
conditions (see also “Technical data”, pg. 17).
+ Do not use any damaged equipment.
• Check the pump‘s oil level.
• If the pump is delivered without oil lling, ll in oil, see
section “Oil change”, pg. 32.
• Aging of the oil (as indicated by darker color compared
to new oil, strange odor of the oil, particles in the oil, or
contamination) necessitates an oil change.
• Use the handle when moving the pump.
Intended use
+ Do not use the pump or any system parts on humans
or animals.
+ Ensure that the individual components are only con-
nected, combined and operated according to their design and as indicated in the instructions for use. Use
only original manufacturer’s spare parts and ac-cessories. Otherwise the safety and performance of
page 7 of 49
the equipment, as well as the electromagnetic compatibility of the equipment might be reduced.
The CE mark or the cTÜVus mark may be voided if not
using original manufacturer’s spare parts.
+ Comply with all notes on correct vacuum and electri-
cal connections; see section “Use and operation”, pg.
26.
+ Do not use the pump to generate pressure.
+ The pumps are designed for ambient temperatures
during operation between +54°F and +104°F (+12°C
and +40°C). Periodically check maximum temperatures if installing the pump in a cabinet or a housing.
NOTICE
Make sure ventilation is adequate to maintain recommended operating temperature. Install an external automatic ventilation system if necessary. If pumping hot
process gases, make sure that the maximum permitted
gas inlet temperature is not exceeded. The maximum
permitted gas inlet temperature depends on several
parameters like inlet pressure and ambient temperature (see “Technical data”, pg. 17).
+ Particles and dust must not enter the pump.
+ Do not pump liquids.
• Ensure that the pump is chemically resistant to the
pumped substances prior to operation.
Use the equipment only as intended, that is, for generation of vacuum in vessels designed for that purpose. Any
other use will automatically invalidate all warranty and liability claims. Remain aware of safety and risks.
Setting up and installing the equipment
➨ Equipment must be connected only to a suitable elec-
trical supply and a suitable ground point. As such,
the plug must be plugged into an outlet that is properly
page 8 of 49
grounded. Failure to connect the motor to ground may
result in deadly electrical shock.
The supply cable may be tted with a molded Europe-
an IEC plug or a plug suitable for your local electrical
supply. The cable contains wires color coded as follows: green or green and yellow: ground; blue or white:
neutral; brown or black: hot.
+ Due to the high compression ratio, the pump may gen-
erate overpressure at the outlet. Check pressure compatibility with system components (e.g., exhaust pipeline or exhaust valve) at the outlet.
+ Do not permit any uncontrolled pressurizing. Make
sure that the exhaust tubing cannot become blocked. If
there is an exhaust isolation valve, make sure that you
cannot operate the equipment with the valve closed to
avoid a risk of bursting!
+ Keep the electrical power cord away from heated sur-
faces.
• Provide a rm, level platform for the equipment. Check
that the system which you are going to evacuate is
mechanically stable. Check that all ttings are secure.
Ensure a stable position of the pump without any mechanical contact other than the pump feet.
• Comply with maximum permissible pressures at in-
let and outlet and with maximum permissible pres-sure differences between inlet and outlet. See section
“Technical data”, pg. 17. Do not operate the pump
with overpressure at the inlet.
• Avoid overpressure of more than 17.5 psi absolute (1.2
bar absolute) in the event that inert gas is connected to
the pump, to the gas ballast or to a venting valve.
• Note: Flexible elements will shrink when evacuated.
• Connect hoses gas tight at inlet and outlet of the pump.
• Ensure that no foreign objects can be drawn into the
pump.
page 9 of 49
• Check the power source and the pump’s rating plate
to be sure that the power source and the equipment
match in voltage, phase, and frequency.
• Pump with dual-voltage motor: Check that the volt-
age selection switch is positioned correctly. Check every time before starting the pump.
Note: If the pump is switched on with wrong voltage
selection, the motor may be damaged!
Change the selection at the voltage selection
switch only, if the pump is unplugged from the
power source.
• Direction of rotation of pumps with three-phase mo-
tors: Pumps with three-phase motors wired ready for
connection are supplied with a power plug (CEE). The
electrical wiring is laid out for a right-handed rotary
eld.
Checking the direction of rotation:Switch on pump for a few seconds and check if the
pump aspirates at inlet. If no suction occurs switch off
pump immediately. The three phase socket has to be
checked and if necessary corrected by an electrician.
• Use only oil of the recommended type. Other oils or
operating uids may cause damage of the pump or
danger.
• Use special oils (see “Oil change”, pg. 32) for the for the
rotary vane pump, if, e.g.,
- acid vapors are pumped.
- extremely high aging stability is required.
- oxygen or other strong oxidizing agents are pumped.
• Take adequate precautions when handling pump uids, lubricants, and solvents. Use appropriate protective clothing, safety goggles and protective gloves to
avoid excessive contact with the skin and possible skin
irritations (including dermatitis).
• Comply with all relevant statutory requirements and
regulations concerning the handling, storage and disposal of oil.
page 10 of 49
NOTICE
Make sure ventilation is adequate to maintain recommended operating temperature. Keep a minimum distance of
2 in (5 cm) between the cooling fan and surrounding items
(e.g., housing, walls, etc.), or else install an external automatic ventilation system. Check fan regularly for dust/dirt.
Clean fan guard grill if necessary to avoid a reduction of
ventilation.
Use only hoses at the inlet and outlet of the pump with
an inner diameter at least as large as the diameter of the
pump’s connections (to avoid overpressure at the outlet,
and reduction of pumping speed at the inlet).
Allow the equipment to equilibrate to ambient temperature
if you bring it from cold environment into a room prior to
operation. Notice if there is water condensation on cold
surfaces.
Comply with all applicable and relevant safety require-
ments (regulations and guidelines). Implement the required actions and adopt suitable safety measures.
Ambient conditions
➨ Do not reach for this product if it has fallen into liquid.
There is a risk of deadly electrical shock. Unplug the
system immediately.
+ Do not use this product in an area where it can fall or
be pulled into water or other liquids.
• Adopt suitable measures in case of differences from
recommended conditions, e.g., using the equipment
outdoors, installation in higher altitudes, conductive
pollution or external condensation on the pump.
• Do not operate this product near ames.
page 11 of 49
NOTICE
To the best of our knowledge the equipment is in compliance with the requirements of the applicable EC-directives and harmonized standards (see ”Declaration of Conformity”) with regard to design, type and model. Directive
EN 61010-1 gives in detail the conditions under which the
equipment can be operated safely (see also IP degree of
protection, “Technical data”, pg. 17).
Operating conditions
➨ These pumps are not approved for operation in po-
tentially explosive atmospheres. Do not operate the
pumps in potentially explosive atmospheres.
➨ These pumps are not approved for the pumping of po-
tentially explosive atmospheres. Do not pump poten-
tially explosive atmospheres.
➨ The pumps are not suitable to pump any of the sub-
stances listed below.
Do not pump:
- unstable substances
- substances which react explosively under impact
(mechanical stress) without air
- substances which react explosively when being exposed to elevated temperatures without air,
- self inammable substances,
- substances which are inammable without air
- explosive substances.
➨ The pumps are not approved for operation below
ground. Do not operate the pump below ground.
• Do not pump substances which may form depos-
its inside the pump. The pumps are not suitable for
pumping substances which may form deposits inside
the pump. Deposits and condensate in the pump may
lead to increased temperatures even to the point of
exceeding the maximum permitted temperatures. Deposits may cause seizing of the pump unit.
page 12 of 49
• Check the inlet and outlet of the pump and its oil condition, if there is a danger of forming deposits inside the
pump, e.g., in the pump unit. Inspect the pump regularly and clean if necessary.
• Install a cold trap in front of the pump if pumping aggressive or corrosive gases or vapors.
• Consider interactions and chemical reactions of
the pumped media. Ensure that the materials of the
pump’s wetted parts are compatible with the pumped
substances, see section “Technical data”, pg. 17.
When changing the substances pumped, we recom-
mend purging the pump with air or inert gas prior to
changing the pumped media. Purging the pump will
pump out residues and it will reduce the possibility of
reactions of the pumped substances with each other
and with the pump’s materials.
Safety during operation
➨ Adopt suitable measures to prevent the release of dan-
gerous, toxic, explosive, corrosive, noxious or pollut-
ing uids, vapors and gases. To prevent any emission
of such substances from the pump outlet, install an
appropriate collecting and disposal system and take
protective action for pump and environment.
➨ You must take suitable precautions to prevent any for-
mation of explosive mixtures in the expansion chamber, in the oil reservoir, or at the outlet of the pump. In
such circumstances, mechanically generated sparks,
hot surfaces or static electricity may ignite these mixtures. Use inert gas for gas ballast or venting, if necessary.
➨ Drain appropriately or otherwise remove any poten-
tially explosive mixtures at the outlet of the pump, or
dilute them to non-explosive concentrations.
page 13 of 49
➨ Never operate this pump if it has a damaged cord or
plug.
+ If the pump is not working properly, has been dropped
or has fallen into water, contact your pump service provider.
+ Prevent any part of the human body from coming into
contact with vacuum.
+ Always provide a free and pressureless exhaust out-
let. Make sure that the exhaust tubing cannot become
blocked.
+ Comply with applicable regulations when disposing of
chemicals. Take into consideration that chemicals may
be contaminated. Take adequate precautions to protect people from the effects of dangerous substances
(chemicals, oil mist, thermal decomposition products
of uoroelastomers). Use appropriate protective clothing and safety goggles.
+ Failure of the pump (e.g., due to power interruption),
failure of connected components or of parts of the supply, or a change of parameters must not be allowed to
lead to a dangerous situation under any circumstances. In case of a leak in the manifold or at the shaft
seal, pumped substances might be released into the
environment or into the pump housing or motor.
Especially comply with notes on use and operation and
maintenance.
+ The residual leak rate of the equipment might render
possible an exchange of gas, albeit extremely slight,
between the environment and the vacuum system.
Adopt suitable measures to prevent contamination of
the pumped substances or the environment.
• Ensure that no parts of your clothing, hair or ngers
can be caught or drawn in at the inlet of the pump.
Never insert ngers or drop any other object into the
page 14 of 49
inlet or outlet.
• Pumping at high inlet pressure may lead to overpressure at the gas ballast valve. Pumped gases or condensate might be expelled if the valve is open. If an inert gas supply is connected to the gas ballast, ensure
that its inlet pipeline is not contaminated.
• Check oil level of the rotary vane pump (through sight
glass) every time before starting the pump.
• Pay attention to the safety symbol ”hot surfaces” on
the equipment.
During operation the surface temperature of the pumps
NOTICE
may exceed 176°F (80°C). Make sure not to touch the
pumps accidentally.
Hot parts may cause burns if touched. Adopt suitable
measures to prevent any danger arising from hot surfaces or electric sparks. Ensure that hot surfaces of
the pump do not cause burns. Provide a suitable contact guard if necessary.
• A power failure may cause accidental ventilation of the
pump or the vacuum system, if the manual gas ballast
valve (RE 2.5 / RZ 2.5 / RE 6 / RZ 6 / RE 9 / RZ 9) is
open. If this constitutes a potential source of danger,
take appropriate safety measures, e.g., install a solenoid operated gas ballast valve.
Prevent the backpressure of gases and the backow of
condensates at the outlet.
Provide appropriate protective measures to allow for the
possibility of failure and malfunction. The protective measures must also allow for the requirements of the respective application.
Single-phase motors are protected by a self-hold thermal cutout in the winding.
Three-phase motors are protected by a circuit-breaker
isolating all poles in case of overload.
page 15 of 49
Note: Only manual reset is possible. Switch off the pump
and disconnect from the power source. Identify and elimi-
nate the cause of failure. Wait approx. ve minutes before
restarting the pump.
Maintenance and repair
NOTICE
In order to comply with laws (occupational, health and
safety regulations, safety at work law and regulations for
environmental protection) vacuum pumps, components
and measuring instruments can only be returned when
certain procedures (see section “Notes on return to the
factory”, pg. 41) are followed.
Take advantage of our service seminars, which put special
focus on the maintenance and repair of vacuum pumps.
For details see www.vacuubrand.com.
Bearings have a typical durability of 40000 h. Motor capacitors have a typical durability in the range of 10000 to
40000 h depending strongly on operation conditions including ambient temperature, humidity or load.
➨ Ensure that the pump cannot be operated acciden-
tally. Never operate the pump if covers or other
parts of the pump are disassembled.
➨ Switch off the pump. Disconnect the electrical
power cord and wait ve seconds before starting
maintenance to allow the capacitors to discharge.
➨Note: The pump may be contaminated with process
chemicals, which have been pumped during operation.
Ensure that the pump is completely decontaminated
before maintenance commences. Avoid the release of
pollutants.
+ Take adequate precautions to protect people from the
effects of dangerous substances if contamination has
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